2-[(R)-2-((3S,9S,10R,13R,14R)-3-Hydroxy-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-propyl]-4-methyl-tetrahydro-furan-2,4-diol 生成
(3S,9S,10R,13R,14R)-10,13-Dimethyl-17-[(R)-1-methyl-2-(4-methyl-furan-2-yl)-ethyl]-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol